If A and B are in the ratio 3 : 4 and B and C in the ratio 12 :13 then A and C will be in the dratio-
A. 3 :13
B. 36 : 13
C. 13 : 9
D. 9 : 13
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সঠিক উত্তরঃ
D.
9 : 13
Explanation:
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